February weather forecast
Nobres, Brazil

The last month of the summer, February, is also a moderately hot month in Nobres, Brazil, with an average temperature ranging between min 21.8°C (71.2°F) and max 28.8°C (83.8°F).

Temperature

February, with its high-temperature average of 28.8°C (83.8°F) and a low-temperature average of 21.8°C (71.2°F), is the coldest month.

Heat index

In February, the average heat index is evaluated at a torrid 35°C (95°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

February and March, with an average relative humidity of 86%, are the most humid months in Nobres, Brazil.

Rainfall

February is the month with the most rainfall in Nobres. Rain falls for 27.4 days and accumulates 226mm (8.9") of precipitation.

Daylight

The average length of the day in February is 12h and 34min.
On the first day of the month, sunrise is at 05:36 and sunset at 18:21. On the last day of February, sunrise is at 05:46 and sunset at 18:09 -04.

Sunshine

With an average of 6.7h of sunshine, February has the least sunshine of the year.

UV index

The months with the lowest UV index in Nobres are January through June, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 in February translates into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.